Item 1

https://backpack.tf/item/13130630693

Sale #1

Bulk Sale-

Seller: https://backpack.tf/profiles/76561198113992461#!/compare/1686873600/1686960000

Buyer: https://backpack.tf/profiles/76561198096519024#!/compare/1686873600/1686960000

Sale #2

Untraceable-

Seller: https://backpack.tf/profiles/76561198096519024#!/compare/1686960000/1687046400

Buyer: https://backpack.tf/profiles/76561198353638591#!/compare/1687305600/1687651200

Sale #3

Untraceable-

Seller: https://backpack.tf/profiles/76561198353638591#!/compare/1687651200/1688515200

Buyer: https://backpack.tf/profiles/76561198135382228#!/compare/1680825600/1688515200

Item 2

https://backpack.tf/item/13095680342

Sale #4

Untraceable-

Seller: https://backpack.tf/profiles/76561198022394750#!/compare/1686700800/1687910400

Buyer: https://backpack.tf/profiles/76561198311498888#!/compare/1686873600/1686960000

Marketplace.tf Sales

https://marketplace.tf/items/tf2/31282;5;u230

MP.TF Sale #1

Sold for $49.95 on June 16, 2023

Keys @ $2.03

49.95/2.03 = 24.61ish keys

MP.TF Sale #2

Sold for $35 on July 6, 2023

Keys @ $1.99

35/1.99 = 17.59ish keys

MP.TF Sale #3

Sold for $29.95 on July 16, 2023

Keys @ $1.97

29.95/1.97 = 15.20ish keys

MP.TF Sale #4

Sold for $39.99 on July 19, 2023

Keys @ $1.97

39.99/1.97 = 20.30ish keys

Sales @ 15, 18, 20, 25

Taking 15-20